Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Kd2 win in 3 half-moves
4 Ra2 win in 3 half-moves
5 Ra3 win in 3 half-moves
6 Kb3 win in 5 half-moves
7 Rb1 win in 5 half-moves
8 Kb1 win in 9 half-moves
9 Kd1 win in 17 half-moves
10 Kb4 win in 23 half-moves
11 Kc3 draw
12 Kd3 draw
13 Kd4 draw
14 Ra4 draw
15 Ra5 draw
16 Ra6 draw
17 Kb5 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves